APA (7e ed.) Bronvermelding

Hatfield, J. (1994). Soil biology: Effects on soil quality. Lewis Publishers.

Chicago (17e ed.) Bronvermelding

Hatfield, J.L. Soil Biology: Effects on Soil Quality. Boca Raton: Lewis Publishers, 1994.

MLA (9e ed.) Bronvermelding

Hatfield, J.L. Soil Biology: Effects on Soil Quality. Lewis Publishers, 1994.